Piers Dowell paints crash helmets. He's painted helmets for Petter Solberg, James May, and er, Steve Berry. Over thirty years he estimates he's added a bit of art and individualism to over 6,000 skid lids. Entirely unrelated but undoubtedly interesting is his passion for aero-engined cars. He's acquired a genuine supercharged Merlin engine and is starting out on what he reckons will be the two-year-build to create a car to contain it.  

Steve Tarrant was one of the people caught up in an infamous finish-line accident at The Goodwood Festival of Speed. It was an accident that claimed the lives of two people and Steve himself suffered life-changing injuries. But he hasn't let it define him and twenty years on his passion for motor racing is undiminshed.

Speedway arrived from Australia and quickly established itself as the second most popular paid-for sport. Crowds of 75,000 were not unknown. Ken Eyre comes from a family of off-road riders competing in trials, scrambling, and like his dad, riding for Manchester's Bell Vue Aces at the same time as six-time World Champion, Ivan Mauger. 

Nick Burnett is a man with an interest in interesting cars. And he's owned his fair share of exotics down the years. He's always on the lookout for something different which is how he ended up buying the Sultan of Brunei's much-modified Maserati Khamsin. And he just managed to find a 2009 Porsche that cost 70k when new for - wait for it - 2k, with a full-service history. Find out how in this episode of Speedshop.

Robert Dean has had a long and fascinating career in and around some of the world's greatest cars. And spent a big part of that career managing perhaps the most significant collection of historic racing cars on the planet. Find out who he worked for and much more in this episode.

Like an ill-fated fifties, film star the Vincent motorcycle lived fast, died young, and left a very handsome corpse. There were no underfunded or ill-advised attempts to compete with cheap lightweight bikes from abroad. Vincent only ever built super-fast, high-end gran touring bikes for adventurous gentlemen in a hurry. David Lancaster has made a fascinating documentary that blends unseen archive footage and celebrity interviews with the likes of Jay Leno, John Surtees, and Paul Simonon, bass player in The Clash. 'Speed Is Expensive' is narrated by Ewan MacGregor and tells the story of the man, Phillip Vincent as much as the machine. 

Stephen Mosley is the motoring correspondent of The Chap magazine. A quarterly publication that describes itself as ‘a guide to living well in the modern age’

Guy Loveridge is one of the authors, along with Tim Beavis of Paddock Transfer. 1970-4 an evocative, behind-the-scenes look at top-level motor racing from a golden era.

 Bizzare Jet Ski accidents, the joy of old skool scrapyards, and the iconic Austin Cambridge with my guest John Hanlon

Alex Parkinson is one of the people behind Total Headturners. They're based in Essex and specialise in replica cars for those unable to muster the six-figure sums required for a GT40, a D Type, or a Cobra. But banish any idea of the cheap and nasty,  when I looked the most affordable car on their website was north of 55k.